- UPPER: Recycled P.E.T. ripstop with non-PFC durable water-repellent (non-PFC DWR) finish to help keep feet dry
- Lightweight ThermoBall™ Eco insulation retains warmth, even when wet
- Oso fleece collar lining for comfort
- Collapsible heel with elastic side panels for easy on/off
- SOLE UNIT: Outsole made with up to 20% recycled rubber